Freescale Semiconductor TWR-MCF52259-Ethenet User Manual page 20

Ethernet Data Frame – old/original format used
Destination
Address
Preamble
8 Byte 6 Byte
IEEE 802.3 Data Frame
Destination
SOF
Preamble
7 Byte 1 Byte
Freescale Semiconductor Confidential and Proprietary Information. Freescale™ and the Freescale logo are trademarks
of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2006.
Source
Address
6 Byte
Source
Address Address
2/6 Byte 2/6 Byte
DSAP
1 Byte
The Ethernet Data Packet Format
Frame Frame
Type User Data
2 Byte 46 – 1500 Byte
Length
Type
2 Byte
SSAP Control
1 Byte ½ Byte
Checksum
Frame
User Data
46 – 1500 Byte
Data
19
FCS
4 Byte 64-1518
FCS
Checksum
4 Byte
TM